CAD/BIM Library of blocks "lectra"

Free CAD+BIM Blocks, Models, Symbols and Details

Free CAD and BIM blocks library - content for AutoCAD, AutoCAD LT, Revit, Inventor, Fusion 360 and other 2D and 3D CAD applications by Autodesk. CAD blocks and files can be downloaded in the formats DWG, RFA, IPT, F3D.
You can exchange useful blocks and symbols with other CAD and BIM users. See popular blocks and top brands.

Want to download the whole library? Télécharger l'ensemble du catalogue?
You can download all CAD blocks directly from your AutoCAD, without logins and any limitations.
See the add-on application Block Catalog for AutoCAD 2013 and higher and the add-on application BIM-Families for Revit 2015 and higher.

CAD blocks can be downloaded and used for your own personal or company design use only. Any distribution of the Catalog content (to other catalogs, web download, CD/DVD media, etc.) is prohibited - see Terms of use.
The DWG-version problem (not valid file, invalid file, drawing not valid, cannot open) can be solved by the Tip 2869.